发明名称 |
Automated drive-level microtrack profile using variable gain amplifier |
摘要 |
An information handling system, such as a magnetic disc drive, includes a method and apparatus for performing an onboard microtrack profile test for characterizing the head sensitivity of a magneto-resistive head. The method comprises formation of a very narrow written signal on a track and execution of a microtrack scan based on the count feature from the variable gain amplifier (VGA) from the read channel.
|
申请公布号 |
US2002075585(A1) |
申请公布日期 |
2002.06.20 |
申请号 |
US20010965129 |
申请日期 |
2001.09.27 |
申请人 |
LUONG PETER TRI;LIM AIKCHUAN;SENG EDMUN CHIANSONG;KAN UTTHENG |
发明人 |
LUONG PETER TRI;LIM AIKCHUAN;SENG EDMUN CHIANSONG;KAN UTTHENG |
分类号 |
G11B5/00;G11B5/012;G11B5/455;G11B20/10;G11B20/18;G11B27/36;(IPC1-7):G11B27/36 |
主分类号 |
G11B5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|